netdev - Re: [RFC PATCH v2 net-next 1/2] ppp: remove NETIF_F_NETNS

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Date:	Mon, 07 Jan 2013 01:16:45 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Rami Rosen <ramirose@...il.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, shemminger@...tta.com
Subject: Re: [RFC PATCH v2 net-next 1/2] ppp: remove NETIF_F_NETNS_LOCAL from ppp device features.

Rami Rosen <ramirose@...il.com> writes:

> There is no need for NETIF_F_NETNS_LOCAL for ppp device; this patch
> removes it.

At least pppoe_rcv_core assumes that the ppp socket and the network
devices are all in the same network namespace.  So it looks like
NETIF_F_NETNS_LOCAL is needed.

Eric

> Signed-off-by: Rami Rosen <ramirose@...il.com>
> ---
>  drivers/net/ppp/ppp_generic.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
> index 0b2706a..89b6fc5 100644
> --- a/drivers/net/ppp/ppp_generic.c
> +++ b/drivers/net/ppp/ppp_generic.c
> @@ -1073,7 +1073,6 @@ static void ppp_setup(struct net_device *dev)
>  	dev->tx_queue_len = 3;
>  	dev->type = ARPHRD_PPP;
>  	dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
> -	dev->features |= NETIF_F_NETNS_LOCAL;
>  	dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
>  }
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